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Finding the Fourth Proportional to 647,924.22, 972,181.68 and 332,602.74

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Solution

The fourth proportional to 647,924.22, 972,181.68 and 332,602.74 is: 499,055.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,924.22 : 972,181.68 = 332,602.74 : x
  2. Step 2: Convert to fraction form
    647,924.22/972,181.68 = 332,602.74/x
  3. Step 3: Cross multiply
    647,924.22x = 972,181.68 × 332,602.74
  4. Step 4: Simplify right side
    647,924.22x = 323,350,290,545.80
  5. Step 5: Solve for x
    x = 323,350,290,545.80/647,924.22
  6. Step 6: Final answer
    x = 499,055.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.